The Targus PA358U Universal Auto/Air Notebook Charger is the perfect accessory for the frequent traveller. Charge your notebook in your car, RV, boat, or even in an airplane outlet! Comes with tips 10, 20, 23, and 26 making it compatible with most Dell laptops (tips 20 and 26 will provide power but will not charge some "C" series and all "D" series laptops). With four tips, you'll be sure to find the correct tip to keep your notebook charged!